Of course, to truly make it scalable you'll need metal type. If you're not lucky enough to remember how to make a hand mould or invent lost-wax casting, you'll want to make friends with the nearest goldsmith and see if you can adapt some of his methods.
Around this time, if you're lucky, you might remember enough of mechanics to invent the escapement and the sun and planet gear, to kickstart the clockmaking industry. Sailors will thank you, as will the merchants they supply. And if you live long enough, you might be able to combine these two inventions to form the world's first Linotype machine.